Operator`s manual
Rev. 1/99
Vicor 800-735-6200 Westcor Division 408-522-5280 Applications Engineering 978-749-3524 or -3525 Pg. 3
3 Phase MegaPAC Owner’s Manual
Sense Connections on DualQPACs:
* Using J1A, J1B, pin 3 is the +Sense and pin 6 is the -Sense.
* Use Molex mating receptacle #39-01-2060 with #39-00-0039 terminals
provided.
* Attach terminals to 18-24 AWG stranded wire using Molex tool #11-01-
0197.
* Attach opposite end of Sense lines to point where regulation is desired.
* Verify that Sense lines are not cross-connected before applying
input power.
J2 Trim Connection
* The J2 remote Trim connection should only be used if the local Trim
option has not been installed. (A “T” or an “F” in the ConverterPAC
part number means the Trim option is installed; e.g. M5V/40AT.)
* Use Molex mating receptacle #50-57-9403 with #16-02-0103 terminals
provided.
* J2-1 provides Trim access.
J2 Trim Connection for DualQPACs
* The J2 Trim connection should only be made if the Trim option has
not been installed. (A “T” or an “F” in the ConverterPAC part number
means the Trim option is installed; e.g. M5V/40AT.)
* Use Molex mating receptacle #39-01-0073 and #39-00-0031 terminals
provided.
* J2-7 is Trim A and J2-6 is Trim B.
* Attach terminals to 22-28 AWG twisted pair wire using Molex tool
#57005-5000.
DC OK (Power Good) for QPACs
* DC OK is only available as an option and is not always present.
* On ModuPACs, use Molex mating receptacle #39-01-0043 with #39-
00-0031 terminals provided. On QPACs, use Molex mating receptacle
#39-01-0073 with #39-00-0031 terminals provided.
* Attach terminals to 22-28 AWG stranded wire using Molex tool
#57005-5000.
DC OK (Power Good) for DualQPACs
* DC OK is standard on DualQPACs and gives notice if either output
fails to regulate.
* Use Molex mating receptacle #39-01-0073 and #39-00-0031 terminals
provided.
* Attach terminals to 22-28 AWG twisted pair wire using Molex tool
#57005-5000.
1
2
3
1 Trim Pin Access
2 +Sense
3 -Sense
Pin
J2
J2 Connector for Non-QPACs
J2 Connector for DualQPACs
J2 Connector for DualPACs
Output Connector for DualPACs
and DualQPACs
J2 Connector for DualQPACs